From 0f003be0104ca9cf5b01f9d8bd4a89c790035b27 Mon Sep 17 00:00:00 2001 From: Felix Fietkau Date: Sat, 22 Jun 2013 13:59:55 +0000 Subject: [PATCH] ath9k: fix a minor rcu issue Signed-off-by: Felix Fietkau SVN-Revision: 37013 --- .../mac80211/patches/300-pending_work.patch | 23 ++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) diff --git a/package/kernel/mac80211/patches/300-pending_work.patch b/package/kernel/mac80211/patches/300-pending_work.patch index bd21e534058..11be868b38a 100644 --- a/package/kernel/mac80211/patches/300-pending_work.patch +++ b/package/kernel/mac80211/patches/300-pending_work.patch @@ -283,7 +283,28 @@ struct mutex mtx; --- a/drivers/net/wireless/ath/ath9k/xmit.c +++ b/drivers/net/wireless/ath/ath9k/xmit.c -@@ -1778,9 +1778,13 @@ static void ath_tx_txqaddbuf(struct ath_ +@@ -1673,6 +1673,8 @@ void ath_txq_schedule(struct ath_softc * + txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) + return; + ++ rcu_read_lock(); ++ + ac = list_first_entry(&txq->axq_acq, struct ath_atx_ac, list); + last_ac = list_entry(txq->axq_acq.prev, struct ath_atx_ac, list); + +@@ -1711,8 +1713,10 @@ void ath_txq_schedule(struct ath_softc * + + if (ac == last_ac || + txq->axq_ampdu_depth >= ATH_AGGR_MIN_QDEPTH) +- return; ++ break; + } ++ ++ rcu_read_unlock(); + } + + /***********/ +@@ -1778,9 +1782,13 @@ static void ath_tx_txqaddbuf(struct ath_ } if (!internal) { -- 2.30.2